mirror of
https://github.com/lightningnetwork/lnd.git
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9d1d629001
This commit performs the takeover that `lntemp` is now promoted to be `lntest`, and the scaffolding is now removed as all the refactoring is finished!
65 lines
1.9 KiB
Go
65 lines
1.9 KiB
Go
package itest
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import (
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"fmt"
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"github.com/btcsuite/btcd/btcutil"
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"github.com/lightningnetwork/lnd/funding"
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"github.com/lightningnetwork/lnd/lntest"
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"github.com/lightningnetwork/lnd/lnwallet"
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)
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// testMaxChannelSize tests that lnd handles --maxchansize parameter correctly.
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// Wumbo nodes should enforce a default soft limit of 10 BTC by default. This
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// limit can be adjusted with --maxchansize config option.
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func testMaxChannelSize(ht *lntest.HarnessTest) {
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// We'll make two new nodes, both wumbo but with the default limit on
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// maximum channel size (10 BTC)
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wumboNode := ht.NewNode(
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"wumbo", []string{"--protocol.wumbo-channels"},
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)
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wumboNode2 := ht.NewNode(
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"wumbo2", []string{"--protocol.wumbo-channels"},
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)
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// We'll send 11 BTC to the wumbo node so it can test the wumbo soft
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// limit.
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ht.FundCoins(11*btcutil.SatoshiPerBitcoin, wumboNode)
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// Next we'll connect both nodes, then attempt to make a wumbo channel
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// funding request, which should fail as it exceeds the default wumbo
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// soft limit of 10 BTC.
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ht.EnsureConnected(wumboNode, wumboNode2)
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chanAmt := funding.MaxBtcFundingAmountWumbo + 1
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// The test should show failure due to the channel exceeding our max
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// size.
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expectedErr := lnwallet.ErrChanTooLarge(
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chanAmt, funding.MaxBtcFundingAmountWumbo,
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)
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ht.OpenChannelAssertErr(
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wumboNode, wumboNode2,
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lntest.OpenChannelParams{Amt: chanAmt}, expectedErr,
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)
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// We'll now make another wumbo node with appropriate maximum channel
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// size to accept our wumbo channel funding.
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wumboNode3 := ht.NewNode(
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"wumbo3", []string{
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"--protocol.wumbo-channels",
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fmt.Sprintf(
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"--maxchansize=%v",
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int64(funding.MaxBtcFundingAmountWumbo+1),
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),
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},
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)
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// Creating a wumbo channel between these two nodes should succeed.
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ht.EnsureConnected(wumboNode, wumboNode3)
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chanPoint := ht.OpenChannel(
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wumboNode, wumboNode3, lntest.OpenChannelParams{Amt: chanAmt},
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)
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ht.CloseChannel(wumboNode, chanPoint)
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}
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